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    NA-T ECU, Tuning, fuel injector questions

    1. It does say "7MGT" -- in large friendly yellow letters. Right next tot he larger letters that say "M/T" for manual transmission. 2. So that we can see if it's an OEM ECU or a Techtom one. If it's Techtom, then there are actually a number of things that can be done, and a number of things...
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    should I sell it for 1,500?

    I can relate to the sentimental value. I bought my '89 on Feb 29, 1996. It was a low-mileage NA, in beautiful shape. Now, almost 18 years later, it's got a 7M-GTE, R154, 3.909:1 differential, and until it developed rod knock last year, had loads of power, but the half million kilometers have...
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    What did you do to your supra today? Pics

    I started cleaning some parts to get powder coated. Upper and lower alternator brackets, front hoist hook, AC bracket, lower timing cover, PS "idle up" vacuum hose, heater core pipe, oil pan, valve covers, rear engine hook, upper intake manifold, ISC pipe, PCV pipe, under intake vacuum pipes...
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    idle jumping? keeps moving from 1000-3000

    Thought it sounded like what happens when you check fuel cut RPM, but 3,000 RPM is too high. On my tach, it looks more like 2,000 RPM (Though it's supposed to be 1,600) If your TPS is properly adjusted and working, it should hit FCO at 1,600 RPM. The RPMs would drop to about 1,200, then fuel...
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    High hp guys - how are you installing your flywheel bolts?

    Don't know that I qualify as high-HP, but I will be, damnit! ARP bolts, torqued to 54 ft-lbs, as per TSRM. My torque wrench isn't exactly high end, but it feels about right. I have one of the old deflection indicator torque wrenches. They're cheap, and hard to get super accurate, but are...
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    Heater core actuator thing leaking (heater matrix?)

    It means that the Corolla and Prism are the same part. (Basically they're the same car, mechanically.) The part will just work. It's the same size inlet/outlet, the same vacuum fitting. Interchangeable.
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    What did you do to your supra today? Pics

    So yesterday, I managed to change out my clutch master cylinder, then, before I got a chance to bleed the system, it started raining. Well, pouring, really. Big summer thunderstorm. This morning, I got a call from a client. The thunderstorm took down their servers. (They're on a UPS, which is...
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    replacing the hg, and looking over my options

    Do not use a MHG unless you have the block (and lower timing cover) machined, as well as the head surface. On a stock Toyota gasket, (And stock bolts for that matter) my 7M-GE lasted nearly half a million kilometers. I finally pulled it when I had a coolant hose failure, and had an opportunity...
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    7m-gte build options

    Big ol' can o' worms... A JZ is a newer block design. A bit less displacement, but high revving. Potentially easier access to parts because it's newer. As far as intercooler setup, the biggest change is that the JZ has a front facing intake manifold. That will make the stock intercooler kind...
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    What did you do to your supra today? Pics

    Changed my clutch master cylinder. Then it started raining before I could bleed it. :( Well, it's working at least as well as the leaking master did before I changed it, and it won't get worse before I get a chance to bleed the system. Tried to blot up as much of the brake fluid from inside the...
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    Rookie Mistake...now how to ease the pain?

    I never found the top bellhousing bolts that hard to get to... It's the top starter bolt (Well, the nut on the starter side) that I really REALLY hate. If you've already fastened them, remember to unbolt the pressure plate from the flywheel before separating the two. (Much MUCH easier than...
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    Power steering line "popped" out, not sure how to fix/where it belongs. Help!

    I can't see a hole in the rack in any of the pictures in this thread. The "This one" link that you put up says "invalid attachment" The power steering system (with or without PPS) has the following connections to the rack: One pressure input, from the PS pump to the control valve housing. This...
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    Vacuum Hose Question

    http://www.cygnusx1.net/Supra/Library/EPC/291220/catalog.aspx?F=8717&P=1
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    Power steering line "popped" out, not sure how to fix/where it belongs. Help!

    To my knowledge, the PS system has one possible connection to vacuum. There is a nipple on the bottom of the accordian hose which goes to a valve in the PS rack, then from there to the vacuum plenum under the intake manifold. (Which you appear to be missing. It normally serves the EGR and stock...
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    Need advice with a difficult decision

    Me three. Get the truck, and for God's sake, park the Supra over the winter!. Snow is SO hard on the chassis. (My poor '89 is rotted out pretty bad because it was my daily driver for a number of years.) If you have to sell/unload the Supra... Do it and move on. get another one when time and...
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    Please help me rewire my 1992 Oxygen Sensor

    I believe that the white wire goes to the Ox port on the ECU. One of the others will go to Ht, and the final one will connect to B+ I believe that the white goes to Ox, and the other 2 go to Ht/B+. It does not matter which goes where, since it's just a heating unit, and polarity does not...
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    KYB GR-2 shocks

    I bought mine from Tirerack, and at the time they were one of the recommended options for a lot of different lowering springs. (To my chagrin, I've never taken them out of the box to actually install them.)
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    What did you do to your supra today? Pics

    Changed out my combination switch today. The problem with my old one appears to be in the slipring. My cruise control buttons won't work, or work intermittently. I've disassembled the slipring (A very simple device inside, I can't really see how anything could be wrong in there that would cause...
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    Name of this piece of instrument

    haha. Saw that you'd already posted it after. Wasn't quite awake this morning.